We have a use case where we store table-like data, but we know about the schema of the data only at runtime. In our application, a power user defines a schema and normal user can create records and ...

I apologise if this is a bit of a stupid or broad question, but I'd like some general feedback please!
Say I have this DB structure for users (in Mongo/JS, but really it's all pseudocode- and the IDs ...

I am using Cassandra for a data intensive app. With relatively little operations and deployment experience, the expertise I am looking for is someone that can read the example below and decide whether ...

I have a money management tool which has users. Each user may have several accounts/funds (e.g. bank account). For each account/fund there may be thousands of transactions.
Users may only view their ...